I'm suspecting the OP at first when he "couldnt" move, hit arrow keys, causing himself to change target setting, this target feature is new, garbage and not in any manual and/or tutorial. So he'd of had no idea about it just accidently switched it, placing it on friendly obviously means he cant target the mob and without knowing his target setting he will be like "wtf", that is my guess.

I'm not sure about the skills thing, You have no skills at the start so what exactly were you trying to put on? You have your first single attack and its already placed. :S so im confused wtf the OP was on about then.